49ers are becoming the thirty-something Niners, adding to Super Bowl urgency
The 49ers are the NFL's oldest team on average after two midseason additions, and the large majority of their veterans have never won a Super Bowl: "It's a big driving factor."

<p>The 49ers are the NFL's oldest team on average after two midseason additions, and the large majority of their veterans have never won a Super Bowl: "It's a big driving factor."</p>